| ? ? ? ? #include?<stdlib.h> ??????? #include?<stdio.h> ???? ????????int?atexit(void?(*function")(void)); ????????void?fn1(?void?), fn2(?void?), fn3(?void?); ????????????????????????? ????????int?main(?void?){ ??????????? onexit( fn1 ); ??????????? onexit( fn2 ); ????????????printf(?"This is executed first."?); ??????? } ???????? ????????void?fn1(){ ????????????printf(?" This is"?); ??????? } ????????void?fn2(){ ????????????printf(?" executed next."?); ??????? } |
结果：This is executed first.This is executed next.?
原文：http://www.cnblogs.com/weilf/p/4157213.html